CVE-2023-6316
Published: 11 January 2024
Summary
CVE-2023-6316 is a critical-severity Unrestricted Upload of File with Dangerous Type (CWE-434) vulnerability in Mw Wp Form Project Mw Wp Form. Its CVSS base score is 9.8 (Critical).
Operationally, ranked in the top 7.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis
The MW WP Form plugin for WordPress is vulnerable to arbitrary file uploads due to insufficient file type validation in the _single_file_upload function in versions up to and including 5.0.1. This flaw, tracked as CWE-434, allows unauthenticated attackers to upload arbitrary files to the server and is rated 9.8 under CVSS 3.1.
Unauthenticated remote attackers can exploit the issue over the network without any user interaction or privileges. Successful exploitation can result in remote code execution by uploading and executing malicious files on the affected WordPress site.
Public references, including Wordfence threat intelligence and WordPress plugin Trac entries, identify the vulnerable code path and document the fix applied in changeset 3003065 for the mw-wp-form plugin.
EPSS scores for the CVE remain low, with a current value of 0.0827 and a peak of 0.0848.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-58558
Vulnerability details
The MW WP Form plugin for WordPress is vulnerable to arbitrary file uploads due to insufficient file type validation in the '_single_file_upload' function in versions up to, and including, 5.0.1. This makes it possible for unauthenticated attackers to upload arbitrary…
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files on the affected site's server which may make remote code execution possible.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Requiring identifiable owners for portable devices reduces the attack surface for unrestricted uploads of dangerous file types via anonymous media.
Dangerous file uploads can be detonated in the chamber to determine malice before any production write or execution occurs.
Prevents unrestricted writing of arbitrary or malicious firmware by keeping hardware write-protect enabled except under tightly controlled manual procedures.
Scans files from external sources on download/open/execute, blocking unrestricted uploads of dangerous file types.